热处理对酪蛋白改性丙烯腈纤维力学性能的影响.pdf

西安工程大学学报 ofXi’a11 Journal Polytechnic University 第23卷第2期(总96期) 2009年4月 Article ID：1671-850X(2009)02-0402-05 Effectofheat treatmentonthemechanical of GAO Jin91”，YUJian．yon91”，RENHai．10n92 lab．《Textile of (1．TheKey Science＆Technology(MinistryEducation)，I)onghua of Textiles，I)onshna 2．Coll％a,e University，Sh喇201620，China； 3．ModernTextileInstitute DonghuaUniversity，shasta200051，China) kindsof Abstract：Four wit}ldifferentcaseincontentwere casein—g-poly(acrylonimle)fibers pre- mechanicalwere afterdifferentheattreatment．Theresultsshowthat pared，and propertiesmvesfigated the caseinfibersweresensitiveto theincreaseofcasein effect grafted temperature．With content，the of in fiberincreasedafter treatment．Theandelon— cross—linkingperformance hightempe碍ture strength atbreakbethtrendedtomcrease．Butthecolorsoffibers into under gation graduallychangedyellow the tothethermaloxidative ofcasein．SEMobservationsonthe higher temperature，due decomposition cross—sectionsurfaceof modifiedfibersshowthedifferentstructuresin caseinfiberswi山differ- grafted entcaseincontents． casein Keywords：graftedfiber；casein content；heattreatment；mechani